Southwest® flights from Charleston to Baltimore/Washington from $99

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Low fares from Charleston to Baltimore/Washington

$

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 09/11/2026

One-way

Basic

From
$99
Seen: 20 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 09/19/2026

One-way

Basic

From
$109
Seen: 20 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 10/13/2026

One-way

Basic

From
$109
Seen: 18 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 09/22/2026

One-way

Basic

From
$109
Seen: 6 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 10/21/2026

One-way

Basic

From
$109
Seen: 10 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 10/10/2026

One-way

Basic

From
$109
Seen: 19 hrs ago

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Explore flights from Charleston to Baltimore/Washington

Aug 2026
From$109*
Seen: 19 hrs ago
One Way/Basic
Sep 2026
From$99*
Seen: 20 hrs ago
One Way/Basic
Oct 2026
From$109*
Seen: 21 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $109
cmp-daily-histogram-bars-legend-max-price-aria-label $407
Displaying fares for August-2026
  • CHS–BWI, 08/01/2026: From $407
    01

    Sat

    AUG

  • CHS–BWI, 08/02/2026: From $407
    02

    Sun

  • CHS–BWI, 08/03/2026: From $407
    03

    Mon

  • CHS–BWI, 08/04/2026: From $407
    04

    Tue

  • CHS–BWI, 08/05/2026: From $302
    05

    Wed

  • CHS–BWI, 08/06/2026: From $407
    06

    Thu

  • CHS–BWI, 08/07/2026: From $302
    07

    Fri

  • CHS–BWI, 08/08/2026: From $302
    08

    Sat

  • CHS–BWI, 08/09/2026: From $302
    09

    Sun

  • CHS–BWI, 08/10/2026: From $302
    10

    Mon

  • CHS–BWI, 08/11/2026: From $302
    11

    Tue

  • CHS–BWI, 08/12/2026: From $302
    12

    Wed

  • CHS–BWI, 08/13/2026: From $302
    13

    Thu

  • CHS–BWI, 08/14/2026: From $237
    14

    Fri

  • CHS–BWI, 08/15/2026: From $237
    15

    Sat

  • CHS–BWI, 08/16/2026: From $237
    16

    Sun

  • CHS–BWI, 08/17/2026: From $237
    17

    Mon

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    18

    Tue

  • CHS–BWI, 08/19/2026: From $237
    19

    Wed

  • CHS–BWI, 08/20/2026: From $237
    20

    Thu

  • CHS–BWI, 08/21/2026: From $148
    21

    Fri

  • CHS–BWI, 08/22/2026: From $119
    22

    Sat

  • CHS–BWI, 08/23/2026: From $196
    23

    Sun

  • CHS–BWI, 08/24/2026: From $109
    24

    Mon

  • CHS–BWI, 08/25/2026: From $109
    25

    Tue

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    26

    Wed

  • CHS–BWI, 08/27/2026: From $109
    27

    Thu

  • CHS–BWI, 08/28/2026: From $148
    28

    Fri

  • CHS–BWI, 08/29/2026: From $109
    29

    Sat

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

  • CHS–BWI, 08/31/2026: From $109
    31

    Mon

    • Range$109-$407

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Charleston International Airport
    Arriving at:
    Balt./Wash. International Airport
    Average flight time:
    1 hour 28 minutes
    Distance:
    472 miles

    Route Information

    77† Weekly flights
    • 3‡ Nonstop flights per day Monday through Friday
    • 3‡ Nonstop flights on Saturday
    • 4‡ Nonstop flights on Sunday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    The average flight time from Charleston to Baltimore/Washington is 1 hour 28 minutes.
    There are 77 weekly flights from Charleston to Baltimore/Washington on Southwest Airlines.
    Yes, Southwest flies nonstop from Charleston to Baltimore/Washington 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Charleston to Baltimore/Washington 3 times per day on Saturdays and 4 times per day on Sundays.
    To find the lowest fares by day and time to fly Charleston to Baltimore/Washington with Southwest, check out our Low Fare Calendar.
    You can rent a car at Balt./Wash. International Airport book yours with your flight.
    Yes! Flights from Charleston to Baltimore/Washington—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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